Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/2/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 10/06/2025 | 11:32:30 | -75.06, 173.21 | 99.45 | 10/06/2025 | 11:33:36 | -75.02, 176.40 | 99.63 | 91.42 | 66 |
| 2 | 10/06/2025 | 12:23:11 | 74.81, -18.76 | 80.28 | 10/06/2025 | 12:24:21 | 74.74, -17.05 | 80.14 | 50.51 | 70 |
| 3 | 10/06/2025 | 13:13:54 | -74.78, 148.63 | 99.74 | 10/06/2025 | 13:15:04 | -74.74, 150.26 | 99.86 | 48.08 | 70 |
| 4 | 10/06/2025 | 14:04:35 | 74.52, -43.37 | 80.00 | 10/06/2025 | 14:05:49 | 74.46, -43.16 | 79.91 | 9.85 | 74 |
| 5 | 10/06/2025 | 14:55:18 | -74.50, 124.01 | 100.02 | 10/06/2025 | 14:56:32 | -74.45, 124.16 | 100.09 | 6.80 | 74 |
| 6 | 10/06/2025 | 15:46:03 | 74.44, -68.51 | 79.93 | 10/06/2025 | 15:47:11 | 74.46, -68.49 | 79.94 | 2.93 | 68 |
| 7 | 10/06/2025 | 16:36:47 | -74.46, 98.74 | 100.04 | 10/06/2025 | 16:37:54 | -74.46, 98.83 | 100.06 | 2.62 | 67 |
| 8 | 10/06/2025 | 17:27:33 | 74.45, -93.91 | 79.96 | 10/06/2025 | 17:28:34 | 74.42, -93.94 | 79.93 | 3.25 | 61 |
| 9 | 10/06/2025 | 18:18:16 | -74.42, 73.47 | 100.05 | 10/06/2025 | 18:19:17 | -74.41, 73.37 | 100.07 | 3.05 | 61 |
| 10 | 10/06/2025 | 19:09:02 | 74.41,-119.18 | 79.95 | 10/06/2025 | 19:09:56 | 74.42,-119.27 | 79.96 | 3.31 | 54 |
| 11 | 10/06/2025 | 19:59:46 | -74.43, 48.07 | 100.02 | 10/06/2025 | 20:00:39 | -74.42, 48.04 | 100.04 | 1.57 | 53 |
| 12 | 10/06/2025 | 20:50:32 | 74.42,-144.58 | 79.98 | 10/06/2025 | 20:51:18 | 74.43,-144.60 | 79.99 | 1.51 | 46 |
| 13 | 10/06/2025 | 21:41:16 | -74.44, 22.67 | 99.98 | 10/06/2025 | 21:42:01 | -74.42, 22.71 | 100.01 | 2.10 | 45 |
| 14 | 10/06/2025 | 22:32:02 | 74.42,-169.98 | 80.02 | 10/06/2025 | 22:32:40 | 74.43,-169.93 | 80.02 | 1.57 | 38 |
| 15 | 10/06/2025 | 23:22:45 | -74.40, -2.60 | 100.00 | 10/06/2025 | 23:23:23 | -74.43, -2.62 | 99.97 | 3.20 | 38 |
| 16 | 10/07/2025 | 00:13:32 | 74.43, 164.63 | 80.06 | 10/07/2025 | 00:14:02 | 74.44, 164.74 | 80.05 | 3.38 | 30 |
| 17 | 10/07/2025 | 01:04:15 | -74.41, -27.99 | 99.96 | 10/07/2025 | 01:04:45 | -74.43, -27.95 | 99.94 | 3.00 | 30 |
| 18 | 10/07/2025 | 01:55:01 | 74.39, 139.36 | 80.04 | 10/07/2025 | 01:55:25 | 74.39, 139.28 | 80.04 | 2.21 | 24 |
| 19 | 10/07/2025 | 02:45:45 | -74.42, -53.39 | 99.92 | 10/07/2025 | 02:46:08 | -74.39, -53.40 | 99.96 | 3.28 | 23 |
| 20 | 10/07/2025 | 03:36:31 | 74.40, 113.96 | 80.08 | 10/07/2025 | 03:36:47 | 74.40, 113.95 | 80.07 | 0.70 | 16 |
| 21 | 10/07/2025 | 04:27:14 | -74.38, -78.66 | 99.94 | 10/07/2025 | 04:27:30 | -74.39, -78.73 | 99.93 | 2.66 | 16 |
| 22 | 10/07/2025 | 05:18:01 | 74.41, 88.56 | 80.11 | 10/07/2025 | 05:18:09 | 74.40, 88.62 | 80.10 | 2.23 | 8 |
| 23 | 10/07/2025 | 06:08:44 | -74.39,-104.06 | 99.90 | 10/07/2025 | 06:08:52 | -74.40,-104.06 | 99.89 | 1.14 | 8 |
| 24 | 10/07/2025 | 06:59:30 | 74.37, 63.29 | 80.10 | 10/07/2025 | 06:59:31 | 74.41, 63.29 | 80.13 | 3.73 | 1 |
| 25 | 10/07/2025 | 07:50:14 | -74.40,-129.46 | 99.87 | 10/07/2025 | 07:50:14 | -74.40,-129.39 | 99.86 | 2.08 | 0 |
| 26 | 10/07/2025 | 08:41:00 | 74.38, 37.89 | 80.13 | 10/07/2025 | 08:40:54 | 74.36, 37.84 | 80.12 | 2.76 | 6 |
| 27 | 10/07/2025 | 09:31:43 | -74.36,-154.73 | 99.88 | 10/07/2025 | 09:31:37 | -74.36,-154.85 | 99.88 | 3.55 | 6 |
| 28 | 10/07/2025 | 10:22:30 | 74.39, 12.49 | 80.17 | 10/07/2025 | 10:22:16 | 74.37, 12.51 | 80.15 | 2.77 | 14 |
| 29 | 10/07/2025 | 11:13:13 | -74.37, 179.87 | 99.85 | 10/07/2025 | 11:12:59 | -74.36, 179.82 | 99.85 | 1.56 | 14 |
| 30 | 10/07/2025 | 12:03:59 | 74.35, -12.78 | 80.15 | 10/07/2025 | 12:03:38 | 74.37, -12.82 | 80.18 | 2.56 | 21 |
| 31 | 10/07/2025 | 12:54:43 | -74.38, 154.47 | 99.81 | 10/07/2025 | 12:54:21 | -74.37, 154.49 | 99.81 | 1.03 | 22 |
| 32 | 10/07/2025 | 13:45:29 | 74.36, -38.18 | 80.19 | 10/07/2025 | 13:45:00 | 74.38, -38.15 | 80.21 | 1.79 | 29 |
| 33 | 10/07/2025 | 14:36:13 | -74.39, 129.08 | 99.77 | 10/07/2025 | 14:35:43 | -74.37, 129.16 | 99.78 | 2.92 | 30 |
| 34 | 10/07/2025 | 15:26:59 | 74.37, -63.58 | 80.23 | 10/07/2025 | 15:26:22 | 74.38, -63.48 | 80.24 | 2.95 | 37 |
| 35 | 10/07/2025 | 16:17:42 | -74.35, 103.80 | 99.79 | 10/07/2025 | 16:17:06 | -74.33, 103.71 | 99.80 | 3.54 | 36 |
| 36 | 10/07/2025 | 17:08:28 | 74.33, -88.85 | 80.21 | 10/07/2025 | 17:07:45 | 74.34, -88.94 | 80.23 | 2.87 | 43 |
| 37 | 10/07/2025 | 17:59:12 | -74.36, 78.41 | 99.75 | 10/07/2025 | 17:58:28 | -74.33, 78.37 | 99.77 | 2.62 | 44 |
| 38 | 10/07/2025 | 18:49:58 | 74.34,-114.25 | 80.25 | 10/07/2025 | 18:49:07 | 74.34,-114.27 | 80.26 | 0.77 | 51 |
| 39 | 10/07/2025 | 19:40:42 | -74.37, 53.01 | 99.72 | 10/07/2025 | 19:39:50 | -74.34, 53.04 | 99.74 | 3.17 | 52 |
| 40 | 10/07/2025 | 20:31:28 | 74.35,-139.64 | 80.29 | 10/07/2025 | 20:30:29 | 74.35,-139.60 | 80.29 | 1.35 | 59 |
| 41 | 10/07/2025 | 21:22:11 | -74.33, 27.74 | 99.73 | 10/07/2025 | 21:21:12 | -74.34, 27.71 | 99.70 | 2.03 | 59 |
| 42 | 10/07/2025 | 22:12:58 | 74.36,-165.04 | 80.32 | 10/07/2025 | 22:11:51 | 74.35,-164.93 | 80.32 | 3.45 | 67 |
| 43 | 10/07/2025 | 23:03:41 | -74.34, 2.34 | 99.70 | 10/07/2025 | 23:02:34 | -74.35, 2.38 | 99.67 | 1.98 | 67 |
| 44 | 10/07/2025 | 23:54:27 | 74.32, 169.69 | 80.31 | 10/07/2025 | 23:53:14 | 74.31, 169.61 | 80.31 | 2.70 | 73 |
| 45 | 10/08/2025 | 00:45:11 | -74.34, -23.06 | 99.66 | 10/08/2025 | 00:43:56 | -74.35, -22.95 | 99.64 | 3.54 | 75 |
| 46 | 10/08/2025 | 01:35:52 | 74.08, 144.91 | 80.07 | 10/08/2025 | 01:34:41 | 74.06, 143.66 | 80.12 | 38.08 | 71 |
| 47 | 10/08/2025 | 02:26:35 | -74.06, -47.72 | 99.94 | 10/08/2025 | 02:25:24 | -74.06, -49.02 | 99.87 | 39.76 | 71 |
| 48 | 10/08/2025 | 03:17:16 | 73.80, 120.24 | 79.79 | 10/08/2025 | 03:16:09 | 73.77, 117.61 | 79.89 | 81.45 | 67 |
| 49 | 10/08/2025 | 04:07:59 | -73.78, -72.39 | 100.22 | 10/08/2025 | 04:06:52 | -73.77, -75.06 | 100.10 | 82.96 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 10/2/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 10/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B